Let the distance be x, then, Upstream speed = 21(3/2)km/h - 12.5 km/h ⇒ 22.5 - 12.5 ⇒ 10 km/h Downstream speed = 22.5 km/h + 12.5 km/h = 35 km/h According to the question, (x/10) + (x/35) = 40/60 ⇒x(1/10 + 1/35) = 2/3 ⇒x(45/350) = 2/3 ⇒x = (2 × 70)/(3 × 9) x = 5(5/27) km
If the following words are arranged according to their order in the English dictionary, which of the following words will come first?
1) Thefta...
A student can type 21 pages in 15 minutes. At the same rate, how long will it take the student to type 84 pages?
Just as Norway is related to Oslo, Kenya is related to _____.
Five friends, K, J, I, H and G appear in an entrance examination and each of them gets different marks. J gets more marks than H but less than G. I gets...
Statement:
A. Some elephants are whales.
B. Some fish are giraffe.
C. All giraffes are lions.
Conclusion:
(I) Som...
Identify the wrong number in the series given below.
22 120 338 724 1324 2192
Select the option that indicates the correct arrangement of the given words in the order in which they appear in the English dictionary.
1. Mit...
Select the option which is related to the third word in the same way as the second word is related to the first word.
Needle : Sewing :: Shield...
Study the given pattern carefully and select the number that can replace the question mark (?) in it from the given alternatives.
Select the option which is related to the third word in the same way as the second word is related to the first word.
Frog : Amphibian :: Whale...
